TMC - Transformers Manufacturing Company España S.A.U.

designs and manufactures apart from distribution transformers also special transformers


100 kVA – 3150 kVA to 36 kV
Transformers of class E2 -C2- F1
according IEC 60076-11:2004 / EN 50588-1:2015 / EU 548/2014


  • Nominal Rating 100 to 3150 kVA
  • Isolation Class up to 36 kV
  • Tappings Primary Voltage +/- 2x2,5 % or according requirement
  • Secondary Voltage 400 V
  • Frequency 50 Hz
  • Vector Group according Standard
  • Type of Cooling AN or AF
  • Temperature Class of Insulation F/F
  • Protection Degree IP00 to IP43
  • Winding Material AL/AL
  • Maximum Altitude 1000 m or according requirement


up to 20 MVA and 45 kV

  • Traction transformers
  • Marine and offshore transformers
  • Sub-station transformers with on-load tap changer
  • Renewable energy transformers (Wind Farms / Photovoltaic)
  • Rectifier transformers (12, 18, 24, 36, 72, 144 pulse and up)
  • Transformers for paint plant (silicone free on demand)
  • Induction oven transformers
  • Earthing transformers
  • Autotransformers

Environmental classes

The transformer from our partner TMC - Transformers Manufacturing Company España S.A.U. satisfy the environmental demands  F1 – C2 – E2

(More information about environmental classes here)

Charateristics of Cast-Resin-Transformers

Charateristics Oil Dry Type Cast Resin
Flammability Yes No No
Self-extinguishing in case of electrical damage or failure No Yes Yes
Necessity of anti-fire structures such as oil bunds and fire walls Yes No No
Hygroscopicity of insulating materials No Yes No
Environmental pollution Yes No No
Resistance stability to short circuit phenomena No No Yes
Treatment required prior to energize after long term storage No Yes Yes
Maintenance required Yes Yes Yes
Environmental pollution risk due to liquid losses Yes No No
Ability to withstand humid, saline and tropical environments Yes No Yes
Installation close to the load-centre No No Yes
Reliability without maintenance and minimal requirement for specialised labour for installation. No No Yes
Finished Products to withstand high, immediate and short overloads owing to reduced current density and high thermal factor (excellent for Rail application) No No Yes

Further information about our products for download:

Name file type file size file date
Broschüre pdf 932.2 KiB 16.12.2015
Präsentation TMC Australia pdf 2.4 MiB 16.12.2015
Product Presentation pdf 7.1 MiB 16.12.2015